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The Mars Express Orbiter, launched by the European Space Agency, has been mapping the surface of Mars and using radar equipment to look for evidence of sub-surface water. Between 2012 and 2015, the Orbiter scanned the area beneath the ice caps on the Planum Australe .
A study released Monday using data from NASA's Mars InSight lander shows evidence of liquid water far below the surface of the fourth planet, advancing the search for life there and showing what ...
RIMFAX. The Radar Imager for Mars' subsurface experiment (RIMFAX) is a ground-penetrating radar on NASA 's Perseverance rover, part of the Mars 2020 mission. It uses radar waves to see geologic features under the surface. The device can make detections dozens of meters/yards underneath ground, such as for buried sand dunes or lava feature.
The geology of Mars is the scientific study of the surface, crust, and interior of the planet Mars. It emphasizes the composition, structure, history, and physical processes that shape the planet. It is analogous to the field of terrestrial geology. In planetary science, the term geology is used in its broadest sense to mean the study of the ...
A team of scientists estimates that there may be enough water, trapped in tiny cracks and pores of rock in the middle of the Martian crust, to fill oceans on the planet’s surface. The ...
Life on Mars. The possibility of life on Mars is a subject of interest in astrobiology due to the planet 's proximity and similarities to Earth. To date, no conclusive evidence of past or present life has been found on Mars. Cumulative evidence suggests that during the ancient Noachian time period, the surface environment of Mars had liquid ...
Simulations described in a 2015 conference, show that high pressure CO 2 gas trapping in the subsurface can cause debris flows. [60] The conditions that can lead to this are found in latitudes where gullies occur. [61] This research was described in a later article entitled, "Formation of gullies on Mars by debris flows triggered by CO2 ...
The existence of liquid water on the surface of Mars requires both a warmer and thicker atmosphere. Atmospheric pressure on the present-day Martian surface only exceeds that of the triple point of water (6.11 hPa) in the lowest elevations; at higher elevations pure water can exist only as a solid or a vapor.